Make your investments before 6 April 2014 to make the most of your 2013/14 ISA allowances. Your maximum annual investment in ISAs for 2013/14 is  £11,520 (up to £5,760 of which can be saved in a cash ISA).  On top of that, have you thought about investing for your children or grandchildren by setting up a Junior ISAs or pensions? In the 2013/14 tax year, you can invest £3,720 into a Junior ISA for any child under 18 who does not have a Child Trust Fund.